Precor C842 Service Manual page 63

10. Replace the cover per Procedure 7.1.
11. Disconnect the optional external power adapter, if equipped.
12. Remove the left, right and top covers.
13. Disconnect the red wire from the battery. Disconnect all of the wires from the lower PCA.
14. Remove the four lower PCA mounting screws. Remove the lower PCA.
15. Set the replacement lower PCA at its mounting position, with terminal M1 facing the front of
the bike. See Diagram 6.6.
16. Refer to Diagram 6.6 and replace the lower PCA wiring as follows. Connect the wires from
the external power jack to connector J4 on the lower PCA. Connect the two red wires from
the eddy current magnet to terminals M1 and M2 of the lower PCA (it does not matter which
red wire goes on terminal M1 or M2). Connect the red wire from the generator to terminal
M3, connect the black wire from the generator to terminal M4 and the white wire from the
generator to terminal M5. Connect the interconnect cable to connector J2 on the lower PCA.
Connect the black wire from the battery to terminal M7 and the red wire to terminal M6 of the
lower PCA.
17. Reconnect the red wire, removed in step 13, to the positive terminal (red dot) of the battery.
18. Reconnect the external power adapter, if equipped.
C842, C842i, C846, C846i Upright and Recumbent Cycle
Page 63